let a = {
    name: '叶老板',
    age:18,
    say:function() {
        console.log('hhhh');
    }
}

// a.__proto__ == Object.prototype
let b = Object.create(a)


function Person(name) {
    this.name = name
}

let p = new Person('大飞哥')
console.log(Person.prototype);